bob ryan is here. >> it has been a bit of the humid pattern. skies are clearing, it is a beautiful afternoon. nothing on doppler, our temperatures will be taking a little bit of a dip tonight. 79 right now, hagerstown. here is the effect you are noticing. northwesterly winds, much lower humidity. it is a beautiful day on top of skyline drive. the big changes, one more really warm day and then watch out. >> the washington nationals way to find out whether they will play atlantic or st. louis. while they wait, the preparations for playoff baseball are in high gear. sam ford is outside nationals park. >> there will be at least one playoff game here in d.c., and that is next wednesday. if the nationals keep winning there will be more. if there are more games, the city has to do more to handle the record crowds. each day a playoff game is played in d.c., it will cost up to $75,000. triple the number of police officers in the immediate area of the stadium. >> you will see a lot of people not coming to the stadium, but are celebrating in other areas.